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38980208472 = 2334139614033
BaseRepresentation
bin100100010011011001…
…101100011101011000
310201121121010202111220
4210103121230131120
51114312413132342
625523545052040
72546652206442
oct442331543530
9121547122456
1038980208472
1115593347627
12767a487020
1338a2a05b1a
141c5ad8b492
1510321e65ec
hex91366c758

38980208472 has 32 divisors (see below), whose sum is σ = 99827365680. Its totient is φ = 12676490240.

The previous prime is 38980208459. The next prime is 38980208473. The reversal of 38980208472 is 27480208983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38980208473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19806033 + ... + 19808000.

Almost surely, 238980208472 is an apocalyptic number.

It is an amenable number.

38980208472 is an abundant number, since it is smaller than the sum of its proper divisors (60847157208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38980208472 is a wasteful number, since it uses less digits than its factorization.

38980208472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39614083 (or 39614079 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 38980208472 in words is "thirty-eight billion, nine hundred eighty million, two hundred eight thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 41 82 123 164 246 328 492 984 39614033 79228066 118842099 158456132 237684198 316912264 475368396 950736792 1624175353 3248350706 4872526059 6496701412 9745052118 12993402824 19490104236 38980208472